diff --git a/drivers/mailbox/omap-mailbox.c b/drivers/mailbox/omap-mailbox.c
index 8754d810ef059f8faf6786c5d7ad33483e8ae8fe..ba15a49af06ea3d121af61f26ab1548cc503db50 100644
--- a/drivers/mailbox/omap-mailbox.c
+++ b/drivers/mailbox/omap-mailbox.c
@@ -384,7 +384,7 @@ static struct omap_mbox_queue *mbox_queue_alloc(struct omap_mbox *mbox,
 	if (!work)
 		return NULL;
 
-	mq = kzalloc(sizeof(struct omap_mbox_queue), GFP_KERNEL);
+	mq = kzalloc(sizeof(*mq), GFP_KERNEL);
 	if (!mq)
 		return NULL;